Roads and bridges are still slushy Tuesday in some counties where snow and sleet fell Sunday and Monday.
Gov. Haley Barbour decided the elections would go on as scheduled, despite the lingering effects of the winter storm. However, turnout is typically low for any special election. Polls will close at 7 p.m.
Ballots have races for transportation commissioner in the northern one-third of the state, a Senate seat in parts of Lee and Pontotoc counties and a House seat in part of coastal Harrison County.
Turnout information was not immediately available from Harrison County.